You can draw the shape using straight lines or freehand. To draw using lines, click on the map to set each point and double-click when done. To draw freehand, hold shift while you click & drag the mouse (click once), then double-click when done. Click Undo and try again if you're not happy.

Click Save when you're finished.

Pick child areas

Your area type will be composed of child areas, e.g. wards, LSOAs, output areas. We can only show data for child areas you choose to pick, so you may prefer to draw a shape.

Click 'Build area by picking child <child area type>s'.

Click on a child area to select it. You can add multiple.

Click Save when you're finished.

Upload KML shapes

Easiest if you've already defined the area elsewhere, or it comes from an official source.